JP2020175516A - Puncture repair kit - Google Patents

Abstract

To prevent a bottle and a kit body from coming off and a puncture seal liquid from flowing out after opening a closed part.SOLUTION: A puncture repair kit 1 is provided with a locking device 4 for retaining a bottle 2 and a kit body 3 at least in a first state Y1 and a second state Y2. The first state Y1 is a state in which a mouth portion 5A of the bottle 2 is inserted into a connection portion 8 of the kit main body 3, but the insertion is not completed. The second state Y2 is a state in which a mouth portion 5A is inserted into the connection portion 8 further than the first state Y1.SELECTED DRAWING: Figure 4

Description

The present invention relates to a flat tire repair kit for repairing a flat tire.

Patent Document 1 proposes a puncture repair kit including a bottle having a sealing film for sealing a puncture sealing liquid in a bottle container and a jig for breaking through the sealing film.

On the other hand, Patent Document 2 discloses a disconnection preventing means for preventing disconnection after the bottle and the compressor are directly connected.

JP-A-2017-56662 JP-A-2017-222164

In the puncture repair kit proposed by Patent Document 1, the seal film breaks through, for example, by inserting the insertion shaft portion of a jig forming a part of the compressor from the lower side into the insertion hole provided in the bottle. Therefore, the puncture seal liquid can be easily and surely opened. Further, since the first flow path for sending compressed air into the bottle container and the second flow path for taking out the puncture seal liquid from the bottle container are opened at the upper end of the insertion shaft portion, the puncture seal liquid to the tire is opened. And compressed air can be sent.

However, when the insertion shaft and the insertion hole are connected (inserted) and the compressor is operated, there is a concern that the compressed air flowing into the bottle container lifts the bottle and the insertion shaft comes off the insertion hole. In addition, there is a concern that both will come off due to erroneous operation or accident.

Therefore, the present inventor has proposed to adopt the disconnection prevention means described in Patent Document 2 in order to prevent the connection between the bottle and the compressor from being disconnected.

However, in a puncture repair kit with a structure that breaks through the seal film, if the lock (prevention) by the detachment prevention means is performed earlier than the breakthrough of the seal film, the insertion shaft may be inserted further. It becomes difficult to break through the seal film because it cannot be done. Therefore, locking by the detachment prevention means needs to be performed after the seal film is ruptured.

However, in this case, there is a possibility that the insertion shaft portion is pulled from the insertion hole and comes off after the seal film is ruptured and before the lock, and further improvement in safety is desired.

An object of the present invention is to provide a puncture repair kit having a structure for breaking a seal film, for example, which can prevent the bottle from being disconnected after the break and can improve safety.

The present invention is a puncture repair kit, the kit main body including a bottle in which a puncture seal liquid is sealed, a connection portion to which the bottle is connected, and a compressor for supplying compressed air to the connection portion, and a locking device. The bottle includes a bottle body having a mouth portion and a closing portion attached to the mouth portion to seal the puncture seal liquid in the bottle body, and the kit body includes the kit body. In order to communicate the inside of the bottle with the compressor, the locking device includes an opening portion for opening the closing portion by inserting the mouth portion into the connecting portion, and the locking device includes at least the mouth portion to the connecting portion. In the first state in which the bottle is inserted but the insertion is not completed, and in the second state in which the insertion of the mouth portion into the connection portion is further advanced than the first state, the bottle and the bottle Prevent the kit body from coming off.

In the puncture repair kit according to the present invention, the second state is preferably a state in which the insertion of the mouth portion into the connection portion is completed.

In the puncture repair kit according to the present invention, the first state is preferably a state before the open portion opens the closed portion.

In the puncture repair kit according to the present invention, it is preferable that the closing portion is a sealing film and the opening portion includes a protrusion for breaking the sealing film.

In the puncture repair kit according to the present invention, it is preferable that the mouth portion of the bottle body is provided with a seal ring for sealing between the bottle body and the connection portion.

In the puncture repair kit according to the present invention, it is preferable that the seal ring is provided at a position of sealing between the seal ring and the connection portion in the first state.

In the puncture repair kit according to the present invention, the lock device includes a first lock member provided on the bottle side and a second lock provided on the kit main body side and prevented from coming off by the first lock member. It is preferable to include a member.

In the puncture repair kit according to the present invention, it is preferable that a plurality of pairs composed of the first lock member and the second lock member are provided around the mouth portion.

In the puncture repair kit according to the present invention, it is preferable that the plurality of pairs are provided around the mouth portion at equal intervals.

In the puncture repair kit according to the present invention, a claw portion is provided on one side of the first lock member and the second lock member.
It is preferable that the other side of the first lock member and the second lock member is provided with a recess in which the claw portion is hooked.

In the puncture repair kit according to the present invention, it is preferable that the claw portion and the concave portion are provided in a plurality in the direction of the insertion.

The puncture repair kit of the present invention includes a locking device for retaining the bottle and the kit body at least in the first and second states. The first state is a state in which the mouth portion of the bottle is inserted into the connection portion of the kit main body, but the insertion is not completed. The second state is a state in which the insertion of the mouth portion into the connection portion is further advanced than in the first state.

In this way, the locking device can prevent the bottle from coming off from the kit body at a plurality of stages in the insertion direction. Therefore, for example, between the first state and the second state, the closed portion on the bottle side can be opened by the opening portion on the kit main body side.

That is, before opening the closed portion, the bottle and the kit body can be prevented from coming off in the first state. Therefore, even if an erroneous operation or an accident occurs, it is possible to prevent the bottle and the kit body from coming off and the puncture seal liquid from flowing out after the closed portion is opened.

It is an exploded perspective view of one Embodiment of the puncture repair kit of this invention. It is sectional drawing which shows the state before the bottle is connected to the kit body. It is an enlarged sectional view which shows the state which the bottle is connected to the kit body. (A) and (b) are a cross-sectional view and a side view which show the 1st state in a locking device. (A) and (b) are a cross-sectional view and a side view showing the second state in the locking device. It is a perspective view which shows the main part of a locking device in an enlarged manner. (A) is a plan view of the cap, and (b) is a cross-sectional view showing a state in which the cap is attached to the connecting portion 8.

Hereinafter, embodiments of the present invention will be described in detail.
As shown in FIG. 1, the puncture repair kit 1 of the present embodiment includes a bottle 2 in which the puncture seal liquid L is sealed, a kit main body 3, and a locking device 4.

As shown in FIGS. 1 and 2, the bottle 2 includes a bottle body 5 having a mouth portion 5A and a closing portion 6 attached to the mouth portion 5A. The closing portion 6 seals the puncture seal liquid L in the bottle body 5. In this specification, the puncture repair kit 1 is described based on the reference state in which the mouth portion 5A is directed downward.

In this example, the sealing film 7 is adopted as the closing portion 6. The seal film 7 is formed of a thin sheet body that can be pierced, and is heat-welded to the end face of the mouth portion 5A via, for example, a hot melt adhesive. The seal film 7 preferably has a gas barrier performance in order to prevent deterioration of the puncture seal liquid L.

The kit main body 3 includes a connection portion 8 to which the bottle 2 is connected, and a compressor 9 for supplying compressed air to the connection portion 8. The kit main body 3 of this example includes a connection unit 10 provided with a connection portion 8 and the compressor 9, and the connection unit 10 is replaceably attached to the compressor 9.

The compressor 9 includes a housing recess 11 for replaceably mounting the connection unit 10. The accommodating recess 11 is opened on one side surface of the compressor 9, and the connection unit 10 can be freely accommodated from the side of the opening 11A. A guide 11B for guiding the connection unit 10 in the in / out direction is arranged on, for example, the side surface of the accommodating recess 11.

The connection unit 10 includes a flat block-shaped base portion 13 accommodated in the accommodating recess 11, and a connecting portion 8 projecting from the upper surface thereof. The connecting portion 8 has a cylindrical shape, and the mouth portion 5A is inserted into the inner hole of the connecting portion 8 to connect the two. A seal ring 14 for sealing between the mouth portion 5A and the connecting portion 8 is provided on the outer periphery of the mouth portion 5A.

The connection unit 10 includes an opening portion 15 that opens the closing portion 6. In this example, the opening portion 15 includes a protrusion 16 for breaking the sealing film 7. The protrusion 16 projects from the bottom surface of the connecting portion 8. The upper end of the protrusion 16 is preferably formed on a slope that is inclined at an angle of, for example, 70 ° or less with respect to the axis thereof.

Further, in the connection unit 10, a first flow path 21 for sending compressed air from the compressor into the bottle 2 and a second flow path 22 for sequentially taking out the punk seal liquid L and the compressed air from the bottle 2 by sending the compressed air. And are arranged.

One end 21a of the first flow path 21 is opened at the upper end of the protrusion 16. Further, the other end portion 21b of the first flow path 21 is opened at the first connecting portion 23 provided on the side surface of the base portion 13 in this example. The first connecting portion 23 can be directly connected to the compressed air discharging portion 24 of the compressor 9 without using a hose. In this example, the first connecting portion 23 is formed as a nozzle protruding from the side surface of the base portion 13, and the compressed air discharging portion 24 is formed as a connecting hole that fits with the nozzle. The first connecting portion 23 may be a connecting hole and the compressed air discharging portion 24 may be a nozzle.

The first flow path 21 includes a vertical flow path portion extending downward from one end portion 21a, and a one-way valve 25 is arranged in this vertical flow path portion. On the other hand, the valve 25 prevents the puncture seal liquid L from flowing back to the compressor 9 side through the first flow path 21.

One end 22a of the second flow path 22 is open at the bottom surface of the connecting portion 8. Further, the other end 22b of the second flow path 22 is opened by the second connecting portion 27 provided on the side surface of the base portion 13 in this example. The second connecting portion 27 is formed as a nozzle that can be connected to a hose. One end of the hose is connected to the tire.

Therefore, as shown in FIGS. 2 and 3, by inserting the mouth portion 5A of the bottle 2 into the connecting portion 8, the sealing film 7 can be broken and the closing portion 6 can be opened, and the inside of the bottle 2 and the compressor can be opened. Can communicate with 9.

Next, the lock device 4 prevents the bottle 2 and the kit body 3 from coming off, respectively, in at least the first state Y1 and the second state Y2, respectively.

As shown in FIGS. 4A and 4B, in the first state Y1, the mouth portion 5A of the bottle 2 is inserted into the connection portion 8 of the kit main body 3, but the insertion is not completed. is there. In particular, it is preferable that the first state Y1 is the state before the opening portion 15 (projection 16) opens the closing portion 6 (sealing film 7).

As shown in FIGS. 5A and 5B, the second state Y2 is a state in which the mouth portion 5A is inserted into the connecting portion 8 further than the first state Y1. In particular, it is preferable that the second state Y2 is a state in which the mouth portion 5A has been inserted into the connecting portion 8. That is, in the second state Y2, the closing portion 6 (seal film 7) has already been opened.

The lock device 4 keeps the bottle 2 and the kit body 3 from coming off in the first state Y1. Therefore, even if the bottle 2 is pulled in the direction of coming off due to an erroneous operation or an accident after the closing portion 6 is opened, the bottle 2 can be prevented from coming off from the kit body 3 in the first state Y1, and the puncture seal liquid L It is possible to prevent the outflow to the surroundings. For that purpose, it is preferable that the seal ring 14 is provided at a position where it seals with the connection portion 8 in the first state Y1.

As shown in FIG. 1, the locking device 4 includes a first locking member 31 provided on the bottle 2 side and a second locking member provided on the kit body 3 side and prevented from coming off by the first locking member 31. 32 and is included.

In the lock device 4, it is preferable that a plurality of pairs 33 including the first lock member 31 and the second lock member 32 are provided around the mouth portion 5A. In particular, it is preferable that a plurality of pairs 33 are provided around the mouth portion 5A at equal intervals. In this example, a case where two pairs 33 are provided at equal intervals is shown.

As shown in FIG. 6, a claw portion 35 is provided on one side of the first lock member 31 and the second lock member 32, and the other side of the first lock member 31 and the second lock member 32 is provided with a claw portion 35. A recess 36 on which the claw portion 35 is hooked is provided. In this example, the case where the recess 36 is provided in the first lock member 31 and the claw portion 35 is provided in the second lock member 32 is shown.

Specifically, the second lock member 32 includes a substrate portion 37 extending upward from the connection unit 10 and a claw portion 35 having a triangular cross section protruding from one side surface of the substrate portion 37. In this example, a pair of substrate portions 37 are arranged in parallel with each other, and two claw portions 35 arranged in the vertical direction (insertion direction) are arranged on the side surfaces facing each other. The upper claw portion may be referred to as 35U, and the lower claw portion may be referred to as 35L.

The first lock member 31 includes a substrate portion 38 extending downward from the bottle 2 and a recess 36 formed in the substrate portion 38, for example, a through hole. In this example, the two recesses 36 are arranged side by side in the vertical direction (insertion direction). The upper recess may be referred to as 36U and the lower recess may be referred to as 36L.

In this example, when the mouth portion 5A is inserted into the connecting portion 8, the substrate portion 38 of the first lock member 31 is sandwiched between the substrate portions 37 and 37 of the second lock member 32 and descends. Then, when descending, as shown in FIG. 4B, the lower recess 36L and the upper claw portion 35U are first caught and prevented from coming off in the first state Y1. Further descending, as shown in FIG. 5B, the lower concave portion 36L and the lower claw portion 35L are caught, and the upper concave portion 36U and the upper claw portion 35U are caught in the second state Y2. It will be stopped.

As another example, although not shown, for example, only the lower recess 36L may be formed in the first lock member 31. At this time, the lower recess 36L and the upper claw portion 35U are caught and prevented from coming off in the first state Y1. Further, the lower recess 36L and the lower claw portion 35L are caught and prevented from coming off in the second state Y2. In this case, there is a disadvantage that the substrate portions 37, 37 are opened in the second state Y2, which makes it easy to come off.

Similarly, although not shown, for example, only the upper claw portion 35U may be formed on the second lock member 32. At this time, the lower recess 36L and the upper claw portion 35U are caught and prevented from coming off in the first state Y1. Further, the upper recess 36U and the upper claw portion 35U are caught and prevented from coming off in the second state Y2. Also in this case, there is a disadvantage that the substrate portions 37, 37 are opened in the second state Y2, so that the substrates are easily removed.

As yet another example, although not shown, in one pair 33, only the lower recess 36L is provided in the first lock member 31, and only the upper claw portion 35U is provided in the second lock member 32. In the other pair 33, the first lock member 31 is provided with only the lower recess 36L, and the second lock member 32 is provided with only the lower claw portion 35L. In this case, the one pair 33 prevents the withdrawal in the first state Y1, and the other pair 33 prevents the withdrawal in the second state Y2.

Similarly, although not shown, in one pair 33, the first lock member 31 is provided with only the lower recess 36L, and the second lock member 32 is provided with only the upper claw portion 35U. In the other pair 33, the first lock member 31 is provided with only the upper recess 36U, and the second lock member 32 is provided with only the upper claw portion 35U. Also in this case, the one pair 33 is used to prevent the first state Y1 from coming off, and the other pair 33 is used to prevent the second state Y2 from coming off.

In the lock device 4, the first lock member 31 may be provided with a claw portion 35, and the second lock member 32 may be provided with a recess 36.

Further, in the kit main body 3 of this example, as shown in FIG. 1, the connection unit 10 is replaceably attached to the compressor 9. Here, when the puncture repair kit 1 is used for puncture repair, the puncture seal liquid L adheres to at least the connection portion 8 and the second flow path 22 and stains the connection unit 10. However, in this example, the dirty connection unit 10 can be replaced, so that the expensive compressor 9 can be used repeatedly.

Further, as shown in FIGS. 7A and 7B, in this example, a screw portion 8a to which the cap 40 can be selectively attached is formed on the connection portion 8. The cap 40 is screwed onto the screw portion 8a to seal the connection portion 8. In this case, the compressed air from the compressor 9 can be discharged through the first flow path 21 and the second flow path 22. That is, the puncture repair kit 1 can be used as a compressor device.

The bottle 2 is preferably protected by a cap (not shown) in order to prevent the closing portion 6 from being torn during storage. Therefore, in this example, it is preferable to form a screw portion 5Aa (shown in FIG. 2) for wearing a cap screw at the mouth portion 5A of the bottle 2.

Although the particularly preferable embodiments of the present invention have been described in detail above, the present invention is not limited to the illustrated embodiments and can be modified into various embodiments.

A puncture repair kit having the structure shown in FIGS. 1 and 2 was prototyped, and the presence or absence of disconnection from the connection portion of the mouth portion after opening the closed portion was tested under various usage conditions (including erroneous operation). As a result, it was confirmed that the puncture seal liquid could be prevented from flowing out without disconnection from the connection portion of the mouth portion.

1 Puncture repair kit 2 Bottle 3 Kit body 4 Locking device 5A Mouth part 5 Bottle body 6 Blocking part 7 Sealing film 8 Connection part 9 Compressor 14 Sealing ring 15 Opening part 16 Protrusion L Punk seal liquid Y1 1st state Y2 2nd state

Claims (11)

It ’s a flat tire repair kit,
A bottle with a puncture seal solution sealed and
A kit body including a connection to which the bottle is connected and a compressor for supplying compressed air to the connection.
Including locking device
The bottle includes a bottle body having a mouth portion and a closing portion attached to the mouth portion to seal the puncture seal liquid in the bottle body.
The kit body includes an opening portion that opens the closing portion by inserting the mouth portion into the connecting portion in order to communicate the inside of the bottle with the compressor.
In the lock device, at least, the first state in which the mouth portion is inserted into the connection portion but the insertion is not completed, and the insertion of the mouth portion into the connection portion are the first. In the second state, which is further advanced than the state, the bottle and the kit body are prevented from coming off.
Puncture repair kit. The puncture repair kit according to claim 1, wherein the second state is a state in which the insertion of the mouth portion into the connection portion is completed. The puncture repair kit according to claim 1 or 2, wherein the first state is a state before the opening portion opens the closing portion. The puncture repair kit according to any one of claims 1 to 3, wherein the closing portion is a sealing film, and the opening portion includes a protrusion for breaking the sealing film. The puncture repair kit according to any one of claims 1 to 4, wherein a seal ring for sealing between the bottle body and the connection portion is provided at the mouth portion of the bottle body. The puncture repair kit according to claim 5, wherein the seal ring is provided at a position where the seal ring is sealed between the seal ring and the connection portion in the first state. The lock device includes a first lock member provided on the bottle side and a second lock member provided on the kit main body side and prevented from coming off by the first lock member. The puncture repair kit according to any one of 6. The puncture repair kit according to claim 7, wherein a plurality of pairs including the first lock member and the second lock member are provided around the mouth portion. The puncture repair kit according to claim 8, wherein the plurality of pairs are provided around the mouth portion at equal intervals. A claw portion is provided on one side of the first lock member and the second lock member.
The puncture repair kit according to any one of claims 7 to 9, wherein a recess for hooking the claw portion is provided on the other side of the first lock member and the second lock member. The puncture repair kit according to claim 10, wherein a plurality of the claw portion and the concave portion are provided along the insertion direction.

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